.middle > div {
    border: 1px solid red;
}

.title {
    border: 0;
}

.middle > div > div:first-child {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid red;
}

.middle > div > div:first-child > div:nth-child(2) {
    display: flex;

}


.middle > div > div:first-child > div:nth-child(2) > div {
    padding: 0 20px;
    line-height: 41px;
    background-color: rgb(243, 243, 243);

}

.middle > div > div:first-child > div:nth-child(2) > div:hover {
    background-color: rgb(230, 145, 55);
    color: white;
}

/*-------------------内容----------------------------------*/
.middle > div > div:nth-child(2) {
    padding: 10px;
}

.news > div {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid gray;
    /*height: 50px;*/
    padding: 20px 0 0;
    color: gray;
}

.news > div > div:nth-child(1) {
    display: flex;
}
